I have a P99 AS - I really like it. Shoots very well. I carry it consistently. There are 2 models of P99. I chose the AS it has a double pull then single. I like the decocker too. My 17 year old shoots it very well. I have close to 3,000 through mine. I have shot IDPA and IPSC with it.
Now... all that said, because it is an almost full size pistol and I have a 1911, I am looking to trade it for a M&P 9c. But I have had really good luck with this weapon.
YMMV